Home / 1,089,474.76-1,503,659.46-630,602.20

Finding the Fourth Proportional to 1,089,474.76, 1,503,659.46 and 630,602.20

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Solution

The fourth proportional to 1,089,474.76, 1,503,659.46 and 630,602.20 is: 870,337.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,474.76 : 1,503,659.46 = 630,602.20 : x
  2. Step 2: Convert to fraction form
    1,089,474.76/1,503,659.46 = 630,602.20/x
  3. Step 3: Cross multiply
    1,089,474.76x = 1,503,659.46 × 630,602.20
  4. Step 4: Simplify right side
    1,089,474.76x = 948,210,963,526.81
  5. Step 5: Solve for x
    x = 948,210,963,526.81/1,089,474.76
  6. Step 6: Final answer
    x = 870,337.71

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.